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Home >> Jeep >> 1990 >> Cherokee Laredo, 2D Utility, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [L] & 4.2L 6-CYL - VIN [T] >> Lubrication >> Oil Pump >> Reassembly & Installation

Reassembly & Installation

  1. To reassemble, reverse disassembly procedures. Apply Permatex No. 2 to pick-up pipe prior to installation. To install pick-up pipe, use Pipe Installer (7624). Ensure pick-up pipe support bracket is aligned with pump cover bolt.
  2. Fill pump cavity with petroleum jelly prior to installing pump cover. Apply Loctite on pump cover area. Install cover and bolts. Torque bolts to specification. See TORQUE SPECIFICATIONS table at end of this article. Check pump gears for freedom of rotation. Install oil pump and new gasket. Tighten retaining bolts to specification.
OIL PUMP SPECIFICATIONS

Application In. (mm)
Gear End Clearance (1) .004-.008 (.10-.20)
Gear-to-Body Clearance .002-.004 (.05-.10)
(1) Using feeler gauge.
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